Dialog introduces LED driver iW3690 layout intelligent lighting panel

Dialog Semiconductor has announced the launch of a revolutionary LED intelligent lighting driver IC, the iW3690, which combines digital control (I2C) with Dialog's advanced phase-cut TRIAC dimming technology. This is the industry's first single-chip solution that enables smart led light sources to be dimmed based on digital commands, including commands sent over the air, while working with traditional TRIAC dimmers.

The IC is suitable for applications up to 25W, and its Dual-Dim technology supports 100% to 1% dimming range with no flicker and no flicker. The driver IC supports any wireless protocol, including Bluetooth, Wi-Fi and ZigBee. Dialog's Smart Bond DA14580 Bluetooth Low Energy System-on-Chip (SoC) enables cost-effective and simple optimal wireless connectivity, creating a high-performance wireless intelligent dimming platform with minimal external components and lowest system material cost.

The iW3690 supports digital link dimming and remote on/off at any AC input phase angle. It uses a resonant control method that achieves a power factor (PF) of 0.95, a total harmonic distortion (THD) of less than 20%, and a typical conversion efficiency of 85%, easily meeting the requirements of the Design Lighting Consortium (DLC). In addition, the device provides automatic protection against over temperature, LED open and short circuit, AC line overvoltage and output overcurrent.

Davin Lee, senior vice president and general manager of Dialog Power Conversion, said: "So far, led design engineers have been forced to compromise on traditional dimming control to provide users with digital intelligent lighting control. Combining traditional on a single IC Analog dimmer support and digital interface provide LED design engineers with the most cost-effective and easy-to-implement control solution for intelligent lighting. Combining our leading position in innovative led drive control ICs and Bluetooth low energy SoCs, Dialog Provides optimized interfaces and best-in-class standby power levels to meet the critical requirements of intelligent lighting to accept wireless commands at any time."

Samples of the iW3690 are available and will be available in volume during the quarter of 2016.

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